File Coverage

blib/lib/Config/INI/Tiny.pm

Criterion	Covered	Total	%
statement	32	32	100.0
branch	12	14	85.7
condition			n/a
subroutine	8	8	100.0
pod	3	3	100.0
total	55	57	96.4

use 5.006; use strict; use warnings;
use Carp ();

package Config::INI::Tiny;

our $VERSION = '0.105';

sub new { my $class = shift; bless { section0 => '', line0 => 0, pairs => 0, @_ }, $class }

my $str = '[^\r\n]* [^\r\n\t ]';
my $ws  = '[\t ]*';
my $cmt = '[#;]'; # separate var because cf. "Starting in Perl 5.001" in L
my $rx  = qr{\G $ws (?: $cmt (?:$str)? | \[ $ws ($str) $ws \] | ([^=\r\n]+?) $ws = $ws ($str|) | ($str) )? $ws (?:\z|\n|\r\n?) }x;

sub parse {
	my $self = shift;
	my $n = $self->{'line0'}, my @out = my $s = [ $self->{'section0'} ], pos( $_[0] ) = 0;
	BEGIN { utf8->import if eval { require utf8 } } # 5.6 compat
	while ( ++$n, $_[0] =~ /$rx/g ) {
		; defined $2 ? push @$s, $self->{'pairs'} ? [ "$2", "$3" ] : ( "$2", "$3" )
		: defined $1 ? push @out, $s = [ "$1" ]
		: defined $4 ? Carp::croak map { s/"/\\"/g; qq'Bad INI syntax at line $n: "$_"' } "$4"
		: ()
	}
	wantarray ? @out : $out[0];
}

sub to_hash {
	my $self = shift;
	my ( @section, %config ) = do { local $self->{'pairs'}; $self->parse( $_[0] ) };
	shift @section unless @{ $section[0] } > 1;      # remove initial unnamed section if empty
	push @{ $config{ shift @$_ } }, $_ for @section; # collect sections in HoAoA, to minimise (re)alloc work
	$_ = { map @$_, @$_ } for values %config;        # flatten HoAoA to HoH as cheaply as possible
	\%config;
}

__END__